Buckling analysis of thin-walled metal liner of cylindrical composite overwrapped pressure vessels with depressions after autofrettage processing

The cylindrical filament wound composite overwrapped pressure vessels (COPV) with metal liner has been widely used in spaceflight due to their high strength and low weight. After the autofrettage process, the plastic deformation of the metal liner is constrained by composite winding layers, which in...

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Autores principales:	Zhang Guo, Zhu Haiyang, Wang Qi, Zhang Xiaowen, Ren Mingfa, Xue Shunan, Li Gang
Formato:	article
Lenguaje:	EN
Publicado:	De Gruyter 2021
Materias:	autofrettage processing buckling analysis composite overwrapped pressure vessels Materials of engineering and construction. Mechanics of materials TA401-492
Acceso en línea:	https://doaj.org/article/7db8646ab8c84f7a8db719e0f0ba81da
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spelling	oai:doaj.org-article:7db8646ab8c84f7a8db719e0f0ba81da2021-12-05T14:11:03ZBuckling analysis of thin-walled metal liner of cylindrical composite overwrapped pressure vessels with depressions after autofrettage processing2191-035910.1515/secm-2021-0051https://doaj.org/article/7db8646ab8c84f7a8db719e0f0ba81da2021-10-01T00:00:00Zhttps://doi.org/10.1515/secm-2021-0051https://doaj.org/toc/2191-0359The cylindrical filament wound composite overwrapped pressure vessels (COPV) with metal liner has been widely used in spaceflight due to their high strength and low weight. After the autofrettage process, the plastic deformation of the metal liner is constrained by composite winding layers, which introduce depressions to the metal liner that causes local buckling. To predict the local buckling of the inner liner with depressions of the pressure vessel after the autofrettage process, a local buckling analysis method for the metal liner of COPV was developed in this article. The finite element method is used to calculate the overall stress distribution in the pressure vessel before and after the autofrettage process, and the influence of local depressions on the buckling is evaluated. The axial buckling of the pressure vessel under external pressure is analyzed. The control equation of the metal liner with depressions is developed, considering the changes in the pressure and the bending moment of the liner depressions and its vicinity during the loading and unloading process. Taking the cylindrical COPV (38 L) with aluminum alloy liner as an example, the effects of liner thickness, liner radius, the thickness-to-diameter ratio, autofrettage pressure, and the length of straight section on the autofrettage process are discussed. The results show that the thickness of the inner liner has the most significant influence on the buckling of the liner, followed by the length of the straight section and the radius of the inner liner, while the autofrettage pressure has the least influence.Zhang GuoZhu HaiyangWang QiZhang XiaowenRen MingfaXue ShunanLi GangDe Gruyterarticleautofrettage processingbuckling analysiscomposite overwrapped pressure vesselsMaterials of engineering and construction. Mechanics of materialsTA401-492ENScience and Engineering of Composite Materials, Vol 28, Iss 1, Pp 540-554 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	autofrettage processing buckling analysis composite overwrapped pressure vessels Materials of engineering and construction. Mechanics of materials TA401-492
spellingShingle	autofrettage processing buckling analysis composite overwrapped pressure vessels Materials of engineering and construction. Mechanics of materials TA401-492 Zhang Guo Zhu Haiyang Wang Qi Zhang Xiaowen Ren Mingfa Xue Shunan Li Gang Buckling analysis of thin-walled metal liner of cylindrical composite overwrapped pressure vessels with depressions after autofrettage processing
description	The cylindrical filament wound composite overwrapped pressure vessels (COPV) with metal liner has been widely used in spaceflight due to their high strength and low weight. After the autofrettage process, the plastic deformation of the metal liner is constrained by composite winding layers, which introduce depressions to the metal liner that causes local buckling. To predict the local buckling of the inner liner with depressions of the pressure vessel after the autofrettage process, a local buckling analysis method for the metal liner of COPV was developed in this article. The finite element method is used to calculate the overall stress distribution in the pressure vessel before and after the autofrettage process, and the influence of local depressions on the buckling is evaluated. The axial buckling of the pressure vessel under external pressure is analyzed. The control equation of the metal liner with depressions is developed, considering the changes in the pressure and the bending moment of the liner depressions and its vicinity during the loading and unloading process. Taking the cylindrical COPV (38 L) with aluminum alloy liner as an example, the effects of liner thickness, liner radius, the thickness-to-diameter ratio, autofrettage pressure, and the length of straight section on the autofrettage process are discussed. The results show that the thickness of the inner liner has the most significant influence on the buckling of the liner, followed by the length of the straight section and the radius of the inner liner, while the autofrettage pressure has the least influence.
format	article
author	Zhang Guo Zhu Haiyang Wang Qi Zhang Xiaowen Ren Mingfa Xue Shunan Li Gang
author_facet	Zhang Guo Zhu Haiyang Wang Qi Zhang Xiaowen Ren Mingfa Xue Shunan Li Gang
author_sort	Zhang Guo
title	Buckling analysis of thin-walled metal liner of cylindrical composite overwrapped pressure vessels with depressions after autofrettage processing
title_short	Buckling analysis of thin-walled metal liner of cylindrical composite overwrapped pressure vessels with depressions after autofrettage processing
title_full	Buckling analysis of thin-walled metal liner of cylindrical composite overwrapped pressure vessels with depressions after autofrettage processing
title_fullStr	Buckling analysis of thin-walled metal liner of cylindrical composite overwrapped pressure vessels with depressions after autofrettage processing
title_full_unstemmed	Buckling analysis of thin-walled metal liner of cylindrical composite overwrapped pressure vessels with depressions after autofrettage processing
title_sort	buckling analysis of thin-walled metal liner of cylindrical composite overwrapped pressure vessels with depressions after autofrettage processing
publisher	De Gruyter
publishDate	2021
url	https://doaj.org/article/7db8646ab8c84f7a8db719e0f0ba81da
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Buckling analysis of thin-walled metal liner of cylindrical composite overwrapped pressure vessels with depressions after autofrettage processing

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